Home / 102,346.17-153,542.63-31,278.92

Finding the Fourth Proportional to 102,346.17, 153,542.63 and 31,278.92

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Solution

The fourth proportional to 102,346.17, 153,542.63 and 31,278.92 is: 46,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,346.17 : 153,542.63 = 31,278.92 : x
  2. Step 2: Convert to fraction form
    102,346.17/153,542.63 = 31,278.92/x
  3. Step 3: Cross multiply
    102,346.17x = 153,542.63 × 31,278.92
  4. Step 4: Simplify right side
    102,346.17x = 4,802,647,810.51
  5. Step 5: Solve for x
    x = 4,802,647,810.51/102,346.17
  6. Step 6: Final answer
    x = 46,925.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.